** Housebuilders Persimmon and Barratt Developments slides on the FTSE 100's leaderboard after weakUK construction data in July
** Persimmon falls 1.5 pct, Barratt Developments declines1.2 pct while smaller rival Taylor Wimpey drops by 1.8pct
** Among midcaps, Bovis Homes, Bellway &Redrow all down nearly 1 pct
** The amount of new housing built in Britain fell for thefirst time in more than two years in July, despite rising houseprices.
** Thomson Reuters UK Homebuilding index falls 1.3 pct (RM: aastha.agnihotri.thomsonreuters.com@reuters.net)


(Alliance News) - The following are the leading risers and fallers among FTSE 100 and 250 index constituents on Wednesday.




June 30 (Reuters) - The UK's blue-chip FTSE 100 inched higher on Tuesday, led by gains in defence and financial stocks, notching gains for a sixth ...